guilty conscience

Beer says this is "evidence of his own guilty conscience".

“Sometimes you just have to shame people and hope that they have a guilty conscience for stealing from children, because that’s exactly what this is,” said El Segundo Little League President Jamin Griffiths.

For the moment, the climbing club is hoping that whoever stole the money will suffer from "a guilty conscience", and quietly return it.

This house on a hill is designed as a state-of-the-art bunker, a residence that might appeal to war criminals with dangerous enemies or wealthy folks with supremely guilty consciences.

Of course, in doing so, Republicans are unwittingly exposing their guilty consciences.